Niebuhr, R. (1929). Leaves from the notebook of a tamed cynic. Willett, Clark & Colby.
Cita Chicago Style (17a ed.)Niebuhr, Reinhold. Leaves from the Notebook of a Tamed Cynic. Chicago, New York: Willett, Clark & Colby, 1929.
Cita MLA (8a ed.)Niebuhr, Reinhold. Leaves from the Notebook of a Tamed Cynic. Willett, Clark & Colby, 1929.
Precaución: Estas citas no son 100% exactas.